w=sym('w','real');

z=sym('z','real');

f=4425*sqrt(1./((1+w).^3*0.3+0.7));

int(f,w,0,0.4)

왜 이런 값이 튀어나오는걸까요?

- (2950*2^(1/2)*3^(1/2)*5^(1/2)*(((3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3 - 1)/((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3))^(1/2)*(1/((3^(2/3)*7^(1/3))/3 - (3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3))^(1/2)*ellipticF(asin((((3^(2/3)*7^(1/3))/3 + 1)/((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3))^(1/2)), ((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3)/((3^(2/3)*7^(1/3))/3 - (3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3))*((3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3 + 1)^(1/2)*((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3)*(((3^(2/3)*7^(1/3))/3 + 1)/((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3))^(1/2)*i)/((3^(2/3)*7^(1/3))/3 - (7*(- 1/2 + (3^(1/2)*i)/2)*(1/2 + (3^(1/2)*i)/2))/3 + (3^(1/3)*7^(2/3)*(- 1/2 + (3^(1/2)*i)/2))/3 - (3^(1/3)*7^(2/3)*(1/2 + (3^(1/2)*i)/2))/3 + (3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3 - (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3 - (3^(1/3)*7^(2/3)*(- 1/2 + (3^(1/2)*i)/2)*(1/2 + (3^(1/2)*i)/2))/3 + 1)^(1/2) + (2950*2^(1/2)*3^(1/2)*5^(1/2)*(((3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3 - 7/5)/((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3))^(1/2)*(1/((3^(2/3)*7^(1/3))/3 - (3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3))^(1/2)*ellipticF(asin((((3^(2/3)*7^(1/3))/3 + 7/5)/((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3))^(1/2)), ((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3)/((3^(2/3)*7^(1/3))/3 - (3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3))*((3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/3 + 7/5)^(1/2)*((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3)*(((3^(2/3)*7^(1/3))/3 + 7/5)/((3^(2/3)*7^(1/3))/3 + (3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/3))^(1/2)*i)/((49*3^(2/3)*7^(1/3))/75 - (7*(- 1/2 + (3^(1/2)*i)/2)*(1/2 + (3^(1/2)*i)/2))/3 + (7*3^(1/3)*7^(2/3)*(- 1/2 + (3^(1/2)*i)/2))/15 - (7*3^(1/3)*7^(2/3)*(1/2 + (3^(1/2)*i)/2))/15 + (49*3^(2/3)*7^(1/3)*(- 1/2 + (3^(1/2)*i)/2))/75 - (49*3^(2/3)*7^(1/3)*(1/2 + (3^(1/2)*i)/2))/75 - (7*3^(1/3)*7^(2/3)*(- 1/2 + (3^(1/2)*i)/2)*(1/2 + (3^(1/2)*i)/2))/15 + 343/125)^(1/2)

울프람에 쳐봐도 똑같이 나오고... 미추어버리겠습니다.